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Potassium

Mint Green Plasma Separator Tube

Tube Type

Test ID LAB114
EPIC Order POTASSIUM LEVEL
CPT Code(s) 84132
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station Routine 30; STAT 888
Specimen Routine: 1 mL blood/Li Heparin plasma separator tube/Mint Green top. Also acceptable serum (Gold SST / Red Top Tube)
Micro: 200 µL blood/mint green top bullet/gold top/red top
Stability



Unspun:
6 hours
Spun/Separated,
Room Temp:
8 hours
Spun/Separated,
Refrigerated:
7 days
Spun/Separated,
Frozen:
30 days
Availability 24 hrs/day
Turnaround Time STAT 1hr; Routine 2hrs
Reference Range Normal:

Plasma:  3.4-4.5 mmol/L

Serum:  3.5-5.1 mmol/L

Critical: 0-28 days: <2.7 or >6.5 mmol/L
29 days-adult:<2.7 or >6.0 mmol/L 
<2.7 or >6.5 mmol/L (Emergency Department only)
Comments

Reviewed by Christopher Parker on December 07, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514